bate

Grainer \Grain"er\ (gr[=a]n"[~e]r), n. 1. An infusion of pigeon's dung used by tanners to neutralize the effects of lime and give flexibility to skins; -- called also {grains} and {bate.} [1913 Webster] 2. A knife for taking the hair off skins. [1913 Webster] 3. One who paints in imitation of the grain of wood, marble, etc.; also, the brush or tool used in graining. [1913 Webster]